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Finding the Fourth Proportional to 164,638.53, 227,205.63 and 93,017.03

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Solution

The fourth proportional to 164,638.53, 227,205.63 and 93,017.03 is: 128,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,638.53 : 227,205.63 = 93,017.03 : x
  2. Step 2: Convert to fraction form
    164,638.53/227,205.63 = 93,017.03/x
  3. Step 3: Cross multiply
    164,638.53x = 227,205.63 × 93,017.03
  4. Step 4: Simplify right side
    164,638.53x = 21,133,991,765.85
  5. Step 5: Solve for x
    x = 21,133,991,765.85/164,638.53
  6. Step 6: Final answer
    x = 128,366.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.